CN210385493U

CN210385493U - High-efficient environmental protection's molecular sieve exhaust treatment device

Info

Publication number: CN210385493U
Application number: CN201921229284.6U
Authority: CN
Inventors: 刘颖成; 刘艳明; 周永辉; 张国强
Original assignee: Dongguan Kanglai Environmental Protection Technology Co Ltd
Current assignee: Dongguan Kanglai Environmental Protection Technology Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-24
Anticipated expiration: 2029-07-30

Abstract

The utility model relates to a high-efficiency environment-friendly molecular sieve waste gas treatment device, which comprises a gas cooling device, a dust separator and a molecular sieve adsorption device which are sequentially communicated, wherein the gas cooling device comprises a cooling box, the cooling box is communicated with an air inlet pipe, the cooling box is communicated with a water inlet pipe, and a water suction pump is arranged on the water inlet pipe; the side wall of the cooling box, which is close to the lower end surface of the cooling box, is communicated with a drain pipe; be provided with gaseous communicating pipe in the cooler bin, gaseous communicating pipe one end intercommunication intake pipe, the other end pass through the pipeline with dust separator intercommunication, dust separator pass through pipeline and molecular sieve adsorption equipment intercommunication, and molecular sieve adsorption equipment includes work box, work case lid, molecular sieve carrier column, and work case lid closes on the work box, and the bottom of work box inner wall is provided with the support, and molecular sieve carrier column is located the support. The waste gas is pretreated by the gas cooling device and the dust separation device and then enters the molecular sieve adsorption device. The utility model discloses the effect that improves exhaust-gas treatment efficiency has.

Description

High-efficient environmental protection's molecular sieve exhaust treatment device

Technical Field

The utility model belongs to the technical field of the industrial environment protection technique and specifically relates to a molecular sieve exhaust treatment device of high-efficient environmental protection is related to.

Background

In China, industry is an important component of the second industry, determines the speed, scale and level of the modernization of the national economy, and plays a leading role in the national economy. Industry is also the main income source of national finance, and is the fundamental guarantee of national economic autonomy, political independence and national defense modernization. People's daily life does not leave the consumer products of industrial production. Industrial production is mainly a process of processing or assembling natural resources and raw materials. In industrial production, waste gas containing pollutants is often generated, and the waste gas usually contains carbon dioxide, carbon disulfide, fluoride, sulfide, nitrogen hydride, chlorine, hydrogen chloride, carbon monoxide, beryllium compound, smoke dust, productive dust and the like, and the waste gas can pollute the atmosphere if discharged into the atmosphere, and the substances can be harmful to the health of human bodies if inhaled by respiratory ducts of the human bodies. It is therefore necessary to purify the exhaust gases before they can be discharged into the atmosphere. The molecular sieve waste gas treatment device is a waste gas treatment device which is hot at present.

The existing molecular sieve waste gas treatment device generally comprises an air inlet pipe, a molecular sieve adsorption device, a gas disinfection device and an air outlet, waste gas generated in industrial production enters the molecular sieve adsorption device from the air inlet pipe, toxic gas in the waste gas is adsorbed by a molecular sieve, then the waste gas is introduced into the gas disinfection device, and finally the waste gas is discharged from the air outlet.

The technical scheme has the following defects: waste gas is not pretreated when entering the molecular sieve, the waste gas generated in industrial production is generally high in temperature and has particles such as dust, the adsorption performance of the molecular sieve is reduced by high temperature under the condition that the waste gas is high in temperature and has dust, and the adsorption capacity of the molecular sieve is easily reduced due to dust accumulation, so that the waste gas treatment efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a molecular sieve exhaust treatment device of high-efficient environmental protection has solved the problem that exhaust treatment is inefficient.

The above object of the present invention can be achieved by the following technical solutions:

the efficient and environment-friendly molecular sieve waste gas treatment device comprises a gas cooling device, a dust separator and a molecular sieve adsorption device which are sequentially communicated along the flowing direction of gas, wherein the gas cooling device comprises a cooling box, the side wall of the cooling box is communicated with an air inlet pipe, the side wall of the cooling box, which is close to the upper end surface of the cooling box, is communicated with a water inlet pipe, and a water suction pump is arranged on the water inlet pipe; the side wall of the cooling box, which is close to the lower end face of the cooling box, is communicated with a drain pipe; the cooling box is internally provided with a gas communicating pipe, one end of the gas communicating pipe is communicated with the gas inlet pipe, the other end of the gas communicating pipe is communicated with the dust separator through a pipeline, the dust separator is communicated with the molecular sieve adsorption device through a pipeline, the molecular sieve adsorption device comprises a working box, a working box cover and a molecular sieve carrier column, the working box cover is covered on the working box, the bottom of the inner wall of the working box is provided with a support, and the molecular sieve carrier column is positioned on the support.

By adopting the technical scheme, because the water in the cooling box is pumped in by the water pump and then is discharged by the drain pipe, the water flow is kept at a lower temperature, the waste gas with high temperature and dust generated in industrial production is led into the gas communicating pipe in the gas cooling device, and the heat in the waste gas is transferred to the water in the cooling box through the gas communicating pipe, so that the high-temperature waste gas is cooled. The cooled exhaust gas is passed through a dust separator, which separates the particulate matter from the gas in the exhaust gas. The waste gas after pretreatment is introduced into the molecular sieve adsorption device again, and the toxic gas in the waste gas is adsorbed through the molecular sieve, because the adsorption capacity of the molecular sieve is reduced along with the rise of the temperature, and the small particles can block the molecular sieve, so that the adsorption of the molecular sieve to harmful gas is influenced, the waste gas is pretreated in advance, the adsorption effect of the molecular sieve can be better, and the device has the effect of improving the waste gas purification efficiency.

The utility model discloses further set up to: the gas communicating pipe is snakelike.

Through adopting above-mentioned technical scheme, the route extension that waste gas passes through in the gas cooling case makes the waste gas cooling comparatively abundant.

The utility model discloses further set up to: the working box is connected with the working box cover through threads.

By adopting the technical scheme, the working box and the working box cover are connected through threads, so that the working box and the working box cover can be conveniently disassembled and assembled.

The utility model discloses further set up to: the molecular sieve adsorption device is communicated with a gas disinfection device through a pipeline, the gas disinfection device comprises a disinfection box, an ultraviolet lamp and a catalytic mesh layer, the catalytic mesh layer is arranged on the inner wall of the disinfection box, and a layer of photocatalyst substance is coated on the catalytic mesh layer; the ultraviolet lamp is arranged on the inner wall of the sterilizing box, and the side wall of the sterilizing box is provided with an exhaust pipe.

Through adopting above-mentioned technical scheme, during remaining harmful gas leads to into gaseous degassing unit in the waste gas, ultraviolet lamp can degrade harmful gas, and the effect of photocatalyst material as the catalyst makes ultraviolet lamp can be faster degradation harmful gas, can further disinfect waste gas.

The utility model discloses further set up to: the side wall of the working box is horizontally provided with an annular first sealing plate, and the upper end surface of the molecular sieve carrier column extends outwards to form a second sealing plate matched with the first sealing plate.

Through adopting above-mentioned technical scheme, first closing plate, the mutual butt of second closing plate make waste gas all filter through molecular sieve carrier column, have the effect that promotes the clean degree of exhaust-gas treatment.

The utility model discloses further set up to: and a centrifugal fan is arranged on the exhaust pipe.

Through adopting above-mentioned technical scheme, give the gaseous suction in the device through centrifugal fan, can promote waste gas treatment's going on, and centrifugal fan can prevent in the outside air lets in the device.

The utility model discloses further set up to: the catalytic net layer connected to the inner wall of the disinfection box is horizontally arranged, and the side edge of the catalytic net layer is abutted to the inner wall of the disinfection box.

Through adopting above-mentioned technical scheme, when waste gas flows into the disinfect box, catalysis stratum reticulare level set up and with the inner wall butt of disinfect box, can increase the area of waste gas and the area of the contact of photocatalyst material on the catalysis stratum reticulare, have the effect of better catalysis harmful gas degradation.

The utility model discloses further set up to: the two layers of the catalytic mesh layers are arranged, and the ultraviolet lamp is arranged between the two catalytic mesh layers.

By adopting the technical scheme, the two layers of the catalytic net layers are arranged, so that the degradation speed of harmful gas in the inflowing waste gas can be accelerated.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model discloses be provided with gas cooling device, dust separator etc. can make the treatment effeciency of waste gas higher, more environmental protection.

2. The ultraviolet lamp is used for sterilizing and purifying the waste gas, and the residual harmful gas in the waste gas treated by the molecular sieve can be degraded, so that the waste gas is more completely treated, and the gas is cleaner.

Drawings

Fig. 1 is a schematic structural diagram of the molecular sieve waste gas treatment device of the utility model, which is efficient and environment-friendly.

Fig. 2 is a schematic cross-sectional view of a gas cooling device.

FIG. 3 is a schematic cross-sectional view of a molecular sieve adsorption unit.

Fig. 4 is a schematic cross-sectional view of a gas sterilizing device.

In the figure, 1, a cooling tank; 11. a water inlet pipe; 12. a water pump; 13. a drain pipe; 14. a gas communicating pipe; 2. a dust separator; 3. a work box; 31. a working box cover; 32. a molecular sieve support column; 33. a support; 34. a first sealing plate; 35. a second sealing plate; 4. a sterilizing box; 41. an ultraviolet lamp; 42. a catalytic mesh layer; 43. an exhaust pipe; 44. a centrifugal fan; 5. a pipeline; 6. an air inlet pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a molecular sieve exhaust treatment device of high-efficient environmental protection, there are gas cooling device, dust separator 2, molecular sieve adsorption equipment, gaseous degassing unit through the pipeline intercommunication along gaseous flow direction.

Referring to fig. 2, the gas cooling device comprises a cooling box 1, an air inlet pipe 6 for introducing waste gas is communicated with the side wall of the cooling box 1, a water inlet pipe 11 is communicated with the side wall of the cooling box 1 close to the upper end face of the cooling box, the water inlet pipe 11 is communicated with a water suction pump 12, the water suction pump 12 pumps water into the cooling box 1, a water discharge pipe 13 is communicated with the side wall of the cooling box 1 close to the bottom of the cooling box, and the water discharge pipe 13 can discharge water in the cooling box 1.

Fixedly connected with gas communicating pipe 14 rather than the lateral wall intercommunication in cooler bin 1, gas communicating pipe 14 is the snakelike of buckling, at the one end intercommunication intake pipe 6 of gas communicating pipe 14, the other end passes through pipeline 5 intercommunication dust separator 2.

The dust separator 2 is a cyclone separator in this embodiment, which can separate the particles in the exhaust gas from the gas. The cyclone separator is communicated with the molecular sieve adsorption device through a pipeline 5.

Referring to fig. 3, the molecular sieve adsorption device comprises a work box 3 and a work box cover 31, wherein an external thread is arranged on the side wall of the upper end of the work box 3, an internal thread matched with the external thread of the work box 3 is arranged on the work box cover 31, and the work box 3 and the work box cover 31 are screwed together through the thread.

A bracket 33 is fixed at the bottom in the working box 3, a molecular sieve carrier column 32 is placed on the bracket 33, and an air inlet of the molecular sieve adsorption device is positioned on the upper end surface of the molecular sieve carrier column 32. The molecular sieve carrier column 32 is a hollow column with an open end face, a molecular sieve is placed in the molecular sieve carrier column 32, through holes are uniformly formed in the bottom of the molecular sieve carrier column, and the aperture of each through hole is smaller than the diameter of the molecular sieve.

A second sealing plate 35 extends horizontally outwards around the circumference of the upper end surface of the molecular sieve carrier column 32, a first sealing plate 34 matched with the second sealing plate 35 is fixedly arranged on the side wall of the working box 3, and when the molecular sieve carrier column 32 is placed on the support 33, the upper end surface of the first sealing plate 34 is abutted against the lower end surface of the second sealing plate 35.

Referring to fig. 3 and 4, the side wall of the work box 3 near the support 33 is communicated with a gas sterilizing device through a duct 5.

Referring to fig. 4, the gas sterilizing apparatus includes a sterilizing compartment 4, a catalytic mesh layer 42 having a cross section matched with that of the sterilizing compartment 4 is fixedly connected to a side wall of the sterilizing compartment 4, the catalytic mesh layer 42 is horizontally disposed, the catalytic mesh layer 42 is disposed in two layers in this embodiment, an ultraviolet lamp 41 is uniformly and fixedly connected to a side wall of the sterilizing compartment 4 along a circumference thereof, and the ultraviolet lamp 41 is disposed between the two catalytic mesh layers. The catalyst mesh layer 42 is coated with a photocatalyst substance that can promote the degradation of harmful gases by ultraviolet rays, and in this embodiment, the photocatalyst substance is nano-titanium dioxide, but may be nano-zinc oxide, nano-chromium dioxide, or the like, and the harmful gases in the exhaust gas can be degraded by ultraviolet rays.

The implementation principle of the embodiment is as follows: the waste gas is led into the gas cooling device from the gas inlet pipe 6, the waste gas passes through the snakelike bent gas communicating pipe 14, the waste gas is cooled by the lower-temperature water pumped by the water suction pump 12 in the cooling box 1 through heat transfer, the snakelike bent gas communicating pipe 14 can increase the path of the waste gas in the cooling box 1, the waste gas is fully cooled, the water flow in the cooling box 1 is discharged through the water discharging pipe 13, and the water flow in the cooling box 1 is kept in a lower-temperature state.

The cooled exhaust gas is passed through a conduit 5 to a cyclone separator to separate fine particulate matter from the exhaust gas.

The pretreated waste gas is introduced into the molecular sieve adsorption device, and because the first sealing plate 34 and the second sealing plate 35 which are abutted to each other are arranged between the inner side wall of the working box 3 and the molecular sieve carrier column 32, the waste gas can only pass through the molecular sieve, and the molecular sieve adsorbs harmful gas in the waste gas.

The working box 3 is provided with a working box cover 31 screwed with the screw thread, and when the molecular sieve needs to be replaced, the working box cover 31 can be unscrewed to take out the molecular sieve carrier column 32 and replace the molecular sieve in the molecular sieve carrier column 32.

The waste gas after processing is led into the gas disinfection device, in the disinfection box 4, under the catalytic action of nano titanium dioxide, harmful gas contained in the waste gas is degraded by the ultraviolet lamp 41, the waste gas after processing is discharged by the centrifugal fan 44 arranged on the exhaust pipe 43, the centrifugal fan 44 can not only provide negative pressure for the waste gas in the device, but also accelerate the flow of the waste gas, the processing efficiency and prevent the outside air from entering the device.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a molecular sieve exhaust treatment device of high-efficient environmental protection which characterized in that: the device comprises a gas cooling device, a dust separator (2) and a molecular sieve adsorption device which are sequentially communicated along the flowing direction of gas, wherein the gas cooling device comprises a cooling box (1), the side wall of the cooling box (1) is communicated with an air inlet pipe (6), the side wall of the cooling box (1) close to the upper end surface of the cooling box is communicated with a water inlet pipe (11), and a water suction pump (12) is arranged on the water inlet pipe (11); a drain pipe (13) is communicated with the side wall of the cooling box (1) close to the lower end surface of the cooling box; be provided with gaseous communicating pipe (14) in cooler bin (1), gaseous communicating pipe (14) one end and intake pipe (6) intercommunication, the other end pass through pipeline (5) with dust separator (2) intercommunication, dust separator (2) pass through pipeline (5) with molecular sieve adsorption equipment intercommunication, molecular sieve adsorption equipment includes work box (3), work case lid (31), molecular sieve carrier column (32), work case lid (31) lid closes on work box (3), the bottom of work box (3) inner wall is provided with support (33), molecular sieve carrier column (32) are located on support (33).

2. The high-efficiency environment-friendly molecular sieve waste gas treatment device as claimed in claim 1, wherein: the gas communicating pipe (14) is in a snake shape.

3. The high-efficiency environment-friendly molecular sieve waste gas treatment device as claimed in claim 1, wherein: the working box (3) is connected with the working box cover (31) through threads.

4. The high-efficiency environment-friendly molecular sieve waste gas treatment device as claimed in claim 1, wherein: the molecular sieve adsorption device is communicated with a gas disinfection device through a pipeline, the gas disinfection device comprises a disinfection box (4), an ultraviolet lamp (41) and a catalytic mesh layer (42), the catalytic mesh layer (42) is arranged on the inner wall of the disinfection box (4), and a layer of photocatalyst substance is coated on the catalytic mesh layer (42); ultraviolet lamp (41) set up the inner wall of disinfect box (4), the lateral wall of disinfect box (4) is provided with blast pipe (43).

5. The high-efficiency environment-friendly molecular sieve waste gas treatment device as claimed in claim 1, wherein: the side wall of the working box (3) is horizontally provided with an annular first sealing plate (34), and the upper end surface of the molecular sieve carrier column (32) extends outwards to form a second sealing plate (35) matched with the first sealing plate (34).

6. The high-efficiency environment-friendly molecular sieve waste gas treatment device according to claim 4, characterized in that: and a centrifugal fan (44) is arranged on the exhaust pipe (43).

7. The high-efficiency environment-friendly molecular sieve waste gas treatment device according to claim 4, characterized in that: the catalytic mesh layer (42) connected to the inner wall of the disinfection box (4) is horizontally arranged, and the side edge of the catalytic mesh layer (42) is abutted against the inner wall of the disinfection box (4).

8. The high-efficiency environment-friendly molecular sieve waste gas treatment device according to claim 7, characterized in that: the catalytic mesh layer (42) is provided with two layers, and the ultraviolet lamp (41) is arranged between the two catalytic mesh layers (42).